Browsing Faculty of Science & Technology (FST) by Author "f19d9e79-4926-4208-8f8c-bf9dfed87fb8"
Now showing items 1-4 of 4
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Analysis of the levels of selected heavy metals in the vicinity of a lead batteries Recycler plant in Athi-River, Kenya
Omanwa, M. Erick; Obed, Nyabaro M.; Tum, Patrick K. (University of Nairobi, 2016)The levels of heavy metals in the environment have been increasing in the recent past as a result of human activities. Since toxicity of heavy metals is widely known, their speciation is increasingly attracting attention. ... -
Optimization of essential oil extraction from eucalyptus grandis leaves by clevenger distillation
Mainya, Nyabaro O; Tum, Patrick; Rayori, Mosoti D (University of Nairobi, 2016)Abstract : Recent statistics have shown a rise in the margin of consumption and utilization of essential oils, over the past years this has been marked by a divergence in the dependence of allophaticallopathic ... -
Photocatalytic degradation of acid orange ii dye on selected commercial titanium dioxide catalysts
Onyatta, John O; Tum, Patrick K; Kithure, Joyce G.N; Oduor., Frederick D.O (University of Nairobi, 2016)Photocatalytic degradation of acid orange II dye in the presence of UV light was investigated using selected commercial TiO2 as photocatalysts. The objective of this study was to determine the rate of photodegradation of ... -
Zinc oxide photocatalytic decolourization of black tea (camellia sinensis) wastewater from processing factories in Kenya
Tum, Patrick K.; Kariuki, David K.; Oduor, Fredrick D. O.; Wanyoko, John K. (University of Nairobi, 2016)Decolourization of persistent brick-red colour of black tea processing wastewater was investigated. Wastewater samples were collected from three black tea processing factories in the western Kenya tea growing highlands and ...